Home / 791,034.71-1,091,627.46-428,458.46

Finding the Fourth Proportional to 791,034.71, 1,091,627.46 and 428,458.46

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Solution

The fourth proportional to 791,034.71, 1,091,627.46 and 428,458.46 is: 591,272.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,034.71 : 1,091,627.46 = 428,458.46 : x
  2. Step 2: Convert to fraction form
    791,034.71/1,091,627.46 = 428,458.46/x
  3. Step 3: Cross multiply
    791,034.71x = 1,091,627.46 × 428,458.46
  4. Step 4: Simplify right side
    791,034.71x = 467,717,014,947.17
  5. Step 5: Solve for x
    x = 467,717,014,947.17/791,034.71
  6. Step 6: Final answer
    x = 591,272.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.